Master Lock Padlock, Shackle Diameter: 1/4 in, Shackle Width: 13/16 in, Shackle Material: Steel, Shackle Clearance: 7/8 in, Key Type: Alike, Key Number: 1G028, Locking Mechanism: Tumbler, Number of Pins: 4, Body Width: 1-9/16 in, Body Material: Brass, Includes: (6) Padlocks